4SRS25M[SS,SSHH,UU]+[78-900/1]LM THK Miniature Linear Guide Caged Ball SRS Series
Brand Name: |
THK |
Model Number: |
4SRS25M[SS,SSHH,UU]+[78-900/1]LM |
Series: |
HM252300 |
Cone Part Number: |
HM252349 |
Cup Part Number: |
HM252315 |
Design Units: |
Imperial |
Bearing Weight: |
44.400 Kg |
Cage Type: |
Pin-Type |
d: |
260.350 mm |
D: |
431.724 mm |
PDF |
4SRS25M[SS,SSHH,UU]+[78-900/1]LM |
Product Details
Series |
HM252300 |
Cone Part Number |
HM252349 |
Cup Part Number |
HM252315 |
Design Units |
Imperial |
Bearing Weight |
44.400 Kg |
Cage Type |
Pin-Type |
d |
260.350 mm |
D |
431.724 mm |
B - Cone Width |
79.771 mm |
C - Cup Width |
60.325 mm |
B |
82.550 mm |
R - Cone Backface To Clear Radius1 |
6.860 mm |
r - Cup Backface To Clear Radius2 |
3.56 mm |
da - Cone Frontface Backing Diameter |
284.99 mm |
db - Cone Backface Backing Diameter |
292.10 mm |
Da - Cup Frontface Backing Diameter |
398.30 mm |
Db - Cup Backface Backing Diameter |
397.00 mm |
Ab - Cage-Cone Frontface Clearance |
7.4 mm |
Aa - Cage-Cone Backface Clearance |
8.9 mm |
a - Effective Center Location3 |
-9.4 mm |
C90 - Dynamic Radial Rating (90 million revolutions)4 |
90100 lbf |
C1 - Dynamic Radial Rating (1 million revolutions)5 |
348000 lbf |
C0 - Static Radial Rating |
475000 lbf |
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 |
51300 lbf |
K - Factor7 |
1.76 |
e - ISO Factor8 |
0.33 |
Y - ISO Factor9 |
1.8 |
G1 - Heat Generation Factor (Roller-Raceway) |
1551.8 |
G2 - Heat Generation Factor (Rib-Roller End) |
152.3 |
Cg - Geometry Factor |
0.15 |